Registry data as of Aug 27, 2026

Yaffa Alter

Counselor · San Francisco, CA

Yaffa Alter is a counselor with a practice address in San Francisco, California, and NPI 1437342730, issued on Aug 21, 2007. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1437342730
Name
Yaffa Alter
Primary taxonomy
Counselor 101Y00000X
Practice location
3801 3RD St Ste 400, San Francisco, CA 94124
Phone
(415) 970-3800
Enumerated
Aug 21, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3801 3RD St Ste 400

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Radawn Alcorn, ASWClinical Social Worker1033293329
  2. Janelle AllenStudent in an Organized Health Care Education/Training Program1578448312
  3. Sergio AngelCommunity Health Worker1720498637
  4. Erin BalbonaMental Health Counselor1972946663
  5. Katherine BeeStudent in an Organized Health Care Education/Training Program1053158832
  6. Jennifer BidoCounselor1962771014

Verify Yaffa Alter in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

1,732 counselor records list a San Francisco practice address

They are 1,732 of the 38,143 NPPES records with a San Francisco practice address, and 17,201 counselor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other counselor records in California

  1. Andrea A SquibbSanta Monica, CA1770236887
  2. Brandi AagesonSan Diego, CA1316085426
  3. Ted AamesFort Bragg, CA1447500988
  4. Crystal AanderudRichmond, CA1083841761
  5. Cedric Aaron, MSW, ASWEureka, CA1245461268
  6. Regina AbadajosOakland, CA1851856488
  7. Erica AbaraCamarillo, CA1104099282
  8. Jennifer AbarcaOakland, CA1760955926
  9. Yamilet Abaunza, MSW, ASWHayward, CA1144605429
  10. Marina AbbottPetaluma, CA1669592184

Common questions

What is Yaffa Alter's NPI number?

Yaffa Alter's National Provider Identifier (NPI) is 1437342730, issued on Aug 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Yaffa Alter located?

The NPPES record lists a practice address at 3801 3RD St Ste 400, San Francisco, CA, 94124. Phone: (415) 970-3800. Providers update this record themselves, so call before visiting.

How can I verify Yaffa Alter's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.